Report the presence of this pest before undertaking control
Information about this pest can be found on the Noogoora burr: declared pest page.
Chemical requirements
When using any agricultural chemicals please ensure that you always follow instructions on the label and any permit. Users of agricultural chemical products must always strictly comply with the directions on the label and the conditions of any permit. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website.
Control options
Chemical control options can be found below. For other methods of control please refer to the Noogoora burr: what you should know page.
Chemical control options
| Recommended herbicides | Pre-emergence:Spinnaker Seedling stage:2,4-D amine; MCPA Apply to actively growing plants:Metsulfuron Before plants reach height of 20cm:Fluroxypyr Early as possible before flower formation:2,4-D ester Prior to burr formation:Glyphosate Older weeds:MCPA; Picloram + 2,4-D |
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| Herbicide: Spinnaker (Group B) | |
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| Active ingredient | 240g/L imazethapyr 700g/kg imazethapyr |
| Rate of product/ha | 400mL for 240g/L 140g for 700g/kg |
| Wetting agent dilution | Non-ionic 1:400 or ammonium sulphate at 2L/100L or Hasten @ 500mL/100L |
| Time of application | Pre-emergence |
| Remarks | Surviving plants will be retarded |
| More information and other control methods | Expensive treatment |
| Herbicide: 2,4-D amine (Group I) (various trade names: see APVMA link) | |
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| Active ingredient |
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| Rates of dilution for spot spraying |
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| Amount of product/10L water |
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| Rate of product/ha |
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| Time of application | Apply to seedlings |
| Remarks | Limited success with 2,4-D amine reported from Derby |
| More information and other control methods |
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| Herbicide: MCPA amine (Group I) (various trade names: see APVMA link) | |
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| Active ingredient | 500g/L MCPA amine |
| Amount of product/10L water | 20mL |
| Rate of product/ha | 2L |
| Wetting agent dilution | 1:400 |
| Time of application | Seedling stage |
| Herbicide: MCPA ester (Group I) (various trade names: see APVMA link) | |
|---|---|
| Active ingredient | 500g/L MCPA ester |
| Amount of product/10L water | 15mL |
| Rate of product/ha | 1.6L |
| Wetting agent dilution | 1:400 |
| Time of application | Older weeds more resistant |
| Herbicide: Metsulfuron (Group B) (various trade names: see APVMA link) | |
|---|---|
| Active ingredient | 600g/kg metsulfuron methyl |
| Amount of product/10L water | 0.75g |
| Wetting agent dilution | 1:400 |
| Time of application | Apply to actively growing plants |
| Remarks | Spot treatment recommendation only. Thoroughly wet the foliage. |
| More information and other control methods | 5g/ha Brush-off used at Derby |
Further information
For further information on Noogoora burr, look at the following webpages
- Noogoora burr: declared pest: for damage done, reporting and requirements
- Noogoora burr: what you should know
- Noogoora burr factsheet
- or contact the Pest and Disease Information Service (PaDIS)